402263266434540 has 96 divisors (see below), whose sum is σ = 1287248303599104. Its totient is φ = 91945471541760.

The previous prime is 402263266434539. The next prime is 402263266434541. The reversal of 402263266434540 is 45434662362204.

It is an interprime number because it is at equal distance from previous prime (402263266434539) and next prime (402263266434541).

It is not an unprimeable number, because it can be changed into a prime (402263266434541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95552112 + ... + 99673128.

It is an arithmetic number, because the mean of its divisors is an integer number (13408836495824).

Almost surely, 2^{402263266434540} is an apocalyptic number.

It is an amenable number.

402263266434540 is an abundant number, since it is smaller than the sum of its proper divisors (884985037164564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402263266434540 is a wasteful number, since it uses less digits than its factorization.

402263266434540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353447 (or 4353445 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 51.

The spelling of 402263266434540 in words is "four hundred two trillion, two hundred sixty-three billion, two hundred sixty-six million, four hundred thirty-four thousand, five hundred forty".